YD/T 1285-2003
The test method for quality of communication for inter-public telecom network - call complete ratio and post-dialling delay for telephone call (English Version)
- Standard No.
- YD/T 1285-2003
- Language
- Chinese, Available in English version
- Release Date
- 2003
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YD/T 1285-2003
YD/T 1285-2003 history
- 2003 YD/T 1285-2003 The test method for quality of communication for inter-public telecom network - call complete ratio and post-dialling delay for telephone call
